The Gers can move within three points of their bitter rivals if they defeat them on home soil, but the Hoops boss is in a confident mood going into the fixture.
"It will be a tough game for us at Ibrox, of course, but we'll get ready. We'll work some elements of where we can hurt them and prepare really well for that and go there with confidence," The Herald quotes the former Liverpool coach as saying.
"They've got a bit more spirit, from what I see, and they've probably found a consistency, but they've played without pressure for most of my time up here so they'll feel this little bit of pressure in the game because it's a game they have to win.
"We want to win it, of course, the same as every game we play, and especially against our rivals."
Celtic are currently six points ahead of Rangers at the summit of the Scottish Premiership, with their rivals having played a game more.